January Weather in Mission, United States

Last updated: June 24, 2025

In January, the average temperature in Mission, United States hovers around 2°C (36°F), with lows plummeting to -18°C (0°F) and highs reaching up to 16°C (61°F). Expect about 59 mm (2.3 in) of precipitation spread over 12 days, contributing to an average humidity level of 86%. Stay prepared for a chilly and damp month!

January Temperature in Mission

In January in Mission, the average temperature is 2°C (36°F). The maximum can reach 16°C (61°F), and the minimum can be as low as -18°C (0°F). Be prepared for a wide range of temperatures and pack accordingly when traveling during this time.

January Weather in Mission: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Mission, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mission, January typically has an average temperature of 2°C (36°F), with highs reaching up to 16°C (61°F) and lows dropping to around -18°C (0°F).

Data source: Temperature data for Mission generated using information from the Copernicus Climate Change Service.

January Precipitation in Mission

In Mission in January, the precipitation amount is 59 mm (2.3 in) occurring over the course of 12 days.

January Precipitation Trends in Mission

The chart displays monthly precipitation patterns in Mission, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Mission, January typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Mission

In Mission in January, humidity is 86%. With an average temperature of 2°C (36°F), this humidity feels like a biting chill that clings to your skin, making outdoor exploration uncomfortable and dampening any enthusiasm for travel.

January Average Humidity in Mission

This chart illustrates the average monthly humidity levels in Mission, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Mission is approximately 86%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Mission

In Mission in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Mission, you can visit Hourly UV Index in Mission.

Maximum UV Index Levels in Mission for January

The chart shows the monthly maximum UV Index (UVI) for Mission in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Mission typically reaches 2, which falls under the low exposure category.

Data source: Mission January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Mission Compares to Other Months

Weather in Mission varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Mission, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Mission, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	59 mm (2.3 inches)	86%	low
February Weather	2°C (36°F)	88 mm (3.5 inches)	86%	moderate
March Weather	6°C (44°F)	61 mm (2.4 inches)	85%	high
April Weather	10°C (51°F)	49 mm (1.9 inches)	83%	high
May Weather	15°C (60°F)	34 mm (1.3 inches)	77%	very high
June Weather	20°C (68°F)	16 mm (0.6 inches)	81%	very high
July Weather	25°C (77°F)	0 mm (0.0 inches)	76%	very high
August Weather	24°C (75°F)	8 mm (0.3 inches)	60%	very high
September Weather	18°C (65°F)	19 mm (0.7 inches)	58%	high
October Weather	11°C (52°F)	45 mm (1.8 inches)	75%	moderate
November Weather	6°C (42°F)	63 mm (2.5 inches)	85%	moderate
December Weather	2°C (36°F)	63 mm (2.5 inches)	87%	low